Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 200706
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
506 PM CHST WED SEP 20 2017


...................................

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR SEPTEMBER 20 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         86    258 PM  91    1995  87     -1       89
                                      1989
                                      1988
  MINIMUM         77   1215 PM  73    1964  76      1       80
  AVERAGE         82                        82      0       85

PRECIPITATION (IN)
  TODAY            0.27          8.21 2013   0.46  -0.19     0.24
  MONTH TO DATE   12.16                      9.94   2.22     5.98
  SINCE SEP 1     12.16                      9.94   2.22     5.98
  SINCE JAN 1     67.22                     66.46   0.76    52.32

SNOWFALL (IN)
  TODAY            0.0
  MONTH TO DATE    0.0
  SINCE SEP 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            0
  MONTH TO DATE    0
  SINCE SEP 1      0
  SINCE JUL 1      0

 COOLING
  TODAY           17                        16      1       20
  MONTH TO DATE  350                       320     30      391
  SINCE SEP 1    350                       320     30      391
  SINCE JAN 1   4732                      4307    425     4855
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SE (120)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED    10.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 PM
 LOWEST     77           300 PM
 AVERAGE    89

..........................................................


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        92      1985
 MINIMUM TEMPERATURE (F)   76        72      1984
                                             1966


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   610 AM CHST  SUNSET   619 PM CHST
SEPTEMBER 21 2017.....SUNRISE   610 AM CHST  SUNSET   618 PM CHST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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